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Binuclear Mixed Valence Oxovanadium(IV/V) Complexes Containing a $[OV{^{iv}}(\mu-O{_{oxo}})(\mu-O{_{phen} })V{^v}O]{^2{^+}}$ Core:Synthesis,EPR Spectra, Molecular and Electronic Structure

Mondal, Amrita and Basak, Sucharita and Sarkar, Sumana and Chopra, Deepak and Das, Ranjan and Rajak, Kajal Krishna (2006) Binuclear Mixed Valence Oxovanadium(IV/V) Complexes Containing a $[OV{^{iv}}(\mu-O{_{oxo}})(\mu-O{_{phen} })V{^v}O]{^2{^+}}$ Core:Synthesis,EPR Spectra, Molecular and Electronic Structure. In: European Journal Of Inorganic Chemistry, 9 . 1824 -1829.

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Abstract

Binuclear mixed valence oxovanadium(IV/V) complexes of general formula [V2O3L] containing a [OVIV(mu-O-oxo)-(mu-O-phen)(VO)-O-V](2+) core have been synthesised using conformationally labile N4O3-coordinating heptadentate ligands (H3L). The X-ray structure of one complex has been examined. Solution EPR spectra revealed that the impaired electron of the complexes is delocalised between the two vanadium centres. The simulated EPR spectrum of one complex confirms this experimental observation. DFT studies have been performed using crystallographic coordinates in order to obtain further insight into the electronic structure of this type of molecule.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Wiley-V C H Verlag
Keywords: Chemistry, Inorganic & Nuclear;vanadium; oxovanadium complexes; mixed valence; Crystal-Structure; Paramagnetic-Resonance; Copper(Ii) Complexes; Spin-Resonance; Esr Linewidths; Solid-State; Ligand; Delocalization; Radicals
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 08 Dec 2008 07:10
Last Modified: 19 Sep 2010 04:54
URI: http://eprints.iisc.ernet.in/id/eprint/16865

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